Watson described the purpose of psychology as: âTo predict, given the stimulus, what reaction will take place; or, given the reaction, state what the situation or stimulus is that has caused the reactionâ (1930, p. 11). * All behavior is learnt from the environment.
Additional tests including penetration,solubility, and ductility are made on the residue. Cutback asphalt grades and tests There are several grades for each of the three types ofcutbacks â rapid curing (RC), medium curing (MC), andslow curing, (SC). The grades include 70, 250, 800, and3000.
Asphalt is a strong adhesive used for road paving, roofing. tar, roll-roofing, roofing felt, shingles, pipe covering, floor tile, waterproofing, and many other products and processes. Asphalt is a dark brown or black substance derived from. crude oil. It may be a solid, a semi-solid, or a liquid. Other. names for asphalt include road tar, road binder, mineral. pitch, petroleum pitch, petroleum asphalt, and seal-coating. material. Asphalt is often mistakenly confused with âtar,â âcoal. tar,â or âpitchâ because the appearance is similar and the.